Chalcogen, Ketterson

• As-Na-Se
• As-Li-Na-Se
• Ba-Cu-O-Y
• As-Li-Se
• As-Li-S
• optical properties
• phonons
• electronic and electrical properties
• electronic energy gap
• non-linear optics
• chalcogen
• conductor
• semiconductor
• alkali
• pnictogen
• monoclinic
• orthorhombic
• tetragonal
• cubic
• hexagonal